TY JOUR TI FLUCTUATIONS OF FLOODPLAIN MEADOWS OF THE RIVER BIG YUGAN KW inundated meadows KW Siberia KW eco-logical assessment KW efficiency KW Big Yugan KW fluctua-tion JO Bulletin of KSAU AU Cherepinskaya, A.N. AU Shepeleva, L.F. PY 2017 IS PB Krasnoyarsk State Agrarian University